@ - @ type structures and is one of the largest groups of its type at ti ##kal . it has two stories but most of the rooms are on the lower floor , a total of 29 vaulted chambers . the remains of two further chambers belong to the upper storey . one of the entrances to the group was framed by a gigantic mask . group h is centered on a large plaza to the north of the great plaza . it is bordered by temples dating to the late classic . there are nine twin @ - @ pyramid complexes at ti ##kal , one of which was completely dismantled in ancient times and some others were partly destroyed . they vary in size but
@ - @ type structures and is one of the largest groups of its type at tikal. it has two stories but most of the rooms are on the lower floor, a total of 29 vaulted chambers. the remains of two further chambers belong to the upper storey. one of the entrances to the group was framed by a gigantic mask. group h is centered on a large plaza to the north of the great plaza. it is bordered by temples dating to the late classic. there are nine twin @ - @ pyramid complexes at tikal, one of which was completely dismantled in ancient times and some others were partly destroyed. they vary in size but